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Fill in the blanks : In the metallurgica...

Fill in the blanks : In the metallurgical processes for the electro refining of the metal, the anode is made of ………….. Metal.

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Explain the electrolytic refining of a metal.

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In electrorefining process the impure metal is made as ____ .

In electrorefining process the impure metal is made as ____ .

Name the method used for the refining of copper metal.

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Describe the principle of van-Arkel process for refining of metal.

SHARAM PUBLICATION-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-EXERCISE
  1. Fill in the blanks : Blister copper contains ………….. % of Cu

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  2. Fill in the blanks : Conversion of carbonate ore to metal oxides are d...

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  3. Fill in the blanks : In the metallurgical processes for the electro re...

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  4. Fill in the blanks : Impurities in the minerals are usually removed by...

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  5. Fill in the blanks : ………….. And ……………. Process can remove volatile imp...

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  6. Fill in the blanks : Acidic refractory material is ………….

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  7. Fill in the blanks : Name one ore which contains both iron and copper.

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  8. The ore that can be concentrated by magnetic separation method, are .....

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  9. Why is aluminium a good reducing agent ? Give examples.

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  10. How does SiO2 remove impurities of CaO in an ore ?

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  11. What is the role of depressant in froth flotation process ?

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  12. What is self-reduction in metallurgy? Give example.

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  13. What is the role of silica in the metallurgy of copper?

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  14. Give two requirements for vapour phase refining.

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  15. What is leaching ? Glve an example.

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  16. What do you mean by liquation process of refining of metal ?

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  17. Why are Ag and Au remain in anode mud during electrolysis refining of ...

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  18. Outline the principles of refining metals by the method: Zone refini...

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  19. Give an example of Van Arkel method of refining.

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  20. How is nickel refined by Mond' s process ?

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